diff --git a/.github/install-clang-action/action.yml b/.github/install-clang-action/action.yml
index 8ac79331..8c05ba17 100644
--- a/.github/install-clang-action/action.yml
+++ b/.github/install-clang-action/action.yml
@@ -33,6 +33,7 @@ runs:
       shell: bash
       continue-on-error: true
       run: |
+        brew update
         brew install llvm@${{ inputs.version }}
         ln -s "$(brew --prefix llvm@${{ inputs.version }})/bin/clang-format" "/usr/local/bin/clang-format-${{ inputs.version }}"
         ln -s "$(brew --prefix llvm@${{ inputs.version }})/bin/clang-tidy" "/usr/local/bin/clang-tidy-${{ inputs.version }}"
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index fbec12fc..635bf217 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -24,6 +24,12 @@ on:
   # performance analysis in order to generate initial data.
   workflow_dispatch:
 
+# This CI workflow can take up to 2 hours.
+# This setting will auto-cancel a old run if a new run is started.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   benchmark:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/pre-commit-hooks.yml b/.github/workflows/pre-commit-hooks.yml
index 7cb35476..43a82c91 100644
--- a/.github/workflows/pre-commit-hooks.yml
+++ b/.github/workflows/pre-commit-hooks.yml
@@ -26,7 +26,7 @@ jobs:
           path: ~/.cargo
           key: ${{ runner.os }}-cargo-${{ hashFiles('Cargo.lock') }}
       - name: cargo clippy
-        run: cargo clippy
+        run: cargo clippy -- -D warnings
       - name: cargo fmt
         run: cargo fmt --check
 
diff --git a/.github/workflows/run-dev-tests.yml b/.github/workflows/run-dev-tests.yml
index 3454a351..88ef76e0 100644
--- a/.github/workflows/run-dev-tests.yml
+++ b/.github/workflows/run-dev-tests.yml
@@ -52,9 +52,6 @@ jobs:
         with:
           tool: cargo-nextest,cargo-llvm-cov,cargo-binstall
 
-      - name: Install llvm-cov-pretty (HTML report generator)
-        run: cargo binstall -y llvm-cov-pretty
-
       - uses: actions/setup-python@v5
         with:
           python-version: 3.x
@@ -84,18 +81,6 @@ jobs:
       - if: runner.os == 'Linux'
         run: sudo apt-get update
 
-      - name: Install clang v8
-        if: runner.os == 'Linux'
-        uses: ./.github/install-clang-action
-        with:
-          version: '8'
-
-      - name: Collect Coverage for clang v8
-        if: runner.os == 'Linux'
-        env:
-          CLANG_VERSION: '8'
-        run: uvx nox -s test -- --profile ci
-
       - name: Install clang v9
         uses: ./.github/install-clang-action
         with:
@@ -194,21 +179,55 @@ jobs:
       - name: Collect Coverage for clang v18
         env:
           CLANG_VERSION: '18'
+        run: uvx nox -s test -- --profile ci
+
+      - name: Install clang v19
+        if: runner.os == 'Linux'
+        uses: ./.github/install-clang-action
+        with:
+          version: '19'
+
+      - name: Collect Coverage for clang v19
+        if: runner.os == 'Linux'
+        env:
+          CLANG_VERSION: '19'
+        run: uvx nox -s test -- --profile ci
+
+      - name: Install clang v20
+        if: runner.os == 'Linux'
+        uses: ./.github/install-clang-action
+        with:
+          version: '20'
+
+      - name: Collect Coverage for clang v20
+        if: runner.os == 'Linux'
+        env:
+          CLANG_VERSION: '20'
+        run: uvx nox -s test -- --profile ci
+
+      - name: Install clang v21
+        if: runner.os == 'Linux'
+        uses: ./.github/install-clang-action
+        with:
+          version: '21'
+
+      - name: Collect Coverage for clang v21
+        if: runner.os == 'Linux'
+        env:
+          CLANG_VERSION: '21'
         run: uvx nox -s test -- --profile all
 
       - name: Generate Coverage HTML report
-        run: uvx nox -s pretty-cov
+        run: uvx nox -s llvm-cov
 
       - name: Upload coverage data
         uses: actions/upload-artifact@v4
         with:
           name: HTML_report-${{ runner.os }}
-          path: target/llvm-cov-pretty
+          path: target/llvm-cov/html
 
       - name: Generate Coverage lcov report
-        run: |
-          rm coverage.json
-          uvx nox -s lcov
+        run: uvx nox -s lcov
 
       - uses: codecov/codecov-action@v5
         with:
diff --git a/Cargo.lock b/Cargo.lock
index 03dd2fc0..3ce984d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -260,18 +260,18 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.45"
+version = "4.5.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fc0e74a703892159f5ae7d3aac52c8e6c392f5ae5f359c70b5881d60aaac318"
+checksum = "2c5e4fcf9c21d2e544ca1ee9d8552de13019a42aa7dbf32747fa7aaf1df76e57"
 dependencies = [
  "clap_builder",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.5.44"
+version = "4.5.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3e7f4214277f3c7aa526a59dd3fbe306a370daee1f8b7b8c987069cd8e888a8"
+checksum = "fecb53a0e6fcfb055f686001bc2e2592fa527efaf38dbe81a6a9563562e57d41"
 dependencies = [
  "anstream",
  "anstyle",
@@ -575,9 +575,9 @@ dependencies = [
 
 [[package]]
 name = "fast-glob"
-version = "0.4.5"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39ea3f6bbcf4dbe2076b372186fc7aeecd5f6f84754582e56ee7db262b15a6f0"
+checksum = "3d26eec0ae9682c457cb0f85de67ad417b716ae852736a5d94c2ad6e92a997c9"
 dependencies = [
  "arrayvec",
 ]
@@ -1633,9 +1633,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.25.1"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8970a78afe0628a3e3430376fc5fd76b6b45c4d43360ffd6cdd40bdde72b682a"
+checksum = "7ba0117f4212101ee6544044dae45abe1083d30ce7b29c4b5cbdfa2354e07383"
 dependencies = [
  "indoc",
  "libc",
@@ -1650,19 +1650,18 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.25.1"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "458eb0c55e7ece017adeba38f2248ff3ac615e53660d7c71a238d7d2a01c7598"
+checksum = "4fc6ddaf24947d12a9aa31ac65431fb1b851b8f4365426e182901eabfb87df5f"
 dependencies = [
- "once_cell",
  "target-lexicon",
 ]
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.25.1"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7114fe5457c61b276ab77c5055f206295b812608083644a5c5b2640c3102565c"
+checksum = "025474d3928738efb38ac36d4744a74a400c901c7596199e20e45d98eb194105"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -1670,9 +1669,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.25.1"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8725c0a622b374d6cb051d11a0983786448f7785336139c3c94f5aa6bef7e50"
+checksum = "2e64eb489f22fe1c95911b77c44cc41e7c19f3082fc81cce90f657cdc42ffded"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -1682,9 +1681,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.25.1"
+version = "0.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4109984c22491085343c05b0dbc54ddc405c3cf7b4374fc533f5c3313a572ccc"
+checksum = "100246c0ecf400b475341b8455a9213344569af29a3c841d29270e53102e0fcf"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -1695,9 +1694,9 @@ dependencies = [
 
 [[package]]
 name = "quick-xml"
-version = "0.38.1"
+version = "0.38.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9845d9dccf565065824e69f9f235fafba1587031eda353c1f1561cd6a6be78f4"
+checksum = "42a232e7487fc2ef313d96dde7948e7a3c05101870d8985e4fd8d26aedd27b89"
 dependencies = [
  "memchr",
  "serde",
@@ -1778,9 +1777,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.11.1"
+version = "1.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
+checksum = "23d7fd106d8c02486a8d64e778353d1cffe08ce79ac2e82f540c86d0facf6912"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2148,15 +2147,15 @@ checksum = "e502f78cdbb8ba4718f566c418c52bc729126ffd16baee5baa718cf25dd5a69a"
 
 [[package]]
 name = "tempfile"
-version = "3.20.0"
+version = "3.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8a64e3985349f2441a1a9ef0b853f869006c3855f2cda6862a94d26ebb9d6a1"
+checksum = "15b61f8f20e3a6f7e0649d825294eaf317edce30f82cf6026e7e4cb9222a7d1e"
 dependencies = [
  "fastrand",
  "getrandom 0.3.3",
  "once_cell",
  "rustix",
- "windows-sys 0.59.0",
+ "windows-sys 0.60.2",
 ]
 
 [[package]]
diff --git a/bindings/python/Cargo.toml b/bindings/python/Cargo.toml
index 4a42d664..d69acd03 100644
--- a/bindings/python/Cargo.toml
+++ b/bindings/python/Cargo.toml
@@ -17,7 +17,7 @@ crate-type = ["cdylib"]
 bench = false
 
 [dependencies]
-pyo3 = { version = "0.25.1", features = ["extension-module"] }
+pyo3 = { version = "0.26.0", features = ["extension-module"] }
 cpp-linter = { path = "../../cpp-linter" }
 tokio = "1.47.1"
 
diff --git a/cpp-linter/Cargo.toml b/cpp-linter/Cargo.toml
index 2704ca42..de2eac2d 100644
--- a/cpp-linter/Cargo.toml
+++ b/cpp-linter/Cargo.toml
@@ -16,17 +16,17 @@ license.workspace = true
 [dependencies]
 anyhow = "1.0.99"
 chrono = "0.4.41"
-clap = "4.5.45"
+clap = "4.5.46"
 colored = "3.0.0"
-fast-glob = "0.4.5"
+fast-glob = "1.0.0"
 futures = "0.3.31"
 git2 = "0.20.2"
 lenient_semver = "0.4.2"
 log = { version = "0.4.27", features = ["std"] }
 openssl = { version = "0.10", features = ["vendored"], optional = true }
 openssl-probe = { version = "0.1", optional = true }
-quick-xml = {version = "0.38.1", features = ["serialize"]}
-regex = "1.11.1"
+quick-xml = {version = "0.38.3", features = ["serialize"]}
+regex = "1.11.2"
 reqwest = "0.12.23"
 semver = "1.0.26"
 serde = { version = "1.0.219", features = ["derive"] }
@@ -39,7 +39,7 @@ which = "8.0.0"
 [dev-dependencies]
 criterion = { version = "3.0.5", package = "codspeed-criterion-compat", features=["async_tokio"] }
 mockito = "1.7.0"
-tempfile = "3.20.0"
+tempfile = "3.21.0"
 
 [features]
 openssl-vendored = ["dep:openssl", "dep:openssl-probe"]
diff --git a/cpp-linter/src/clang_tools/mod.rs b/cpp-linter/src/clang_tools/mod.rs
index f89078ec..bc985863 100644
--- a/cpp-linter/src/clang_tools/mod.rs
+++ b/cpp-linter/src/clang_tools/mod.rs
@@ -65,9 +65,9 @@ pub fn get_clang_tool_exe(name: &str, version: &str) -> Result<PathBuf> {
             // On Unix systems, this block is not likely reached. Typically, installing clang
             // will produce a symlink to the executable with the major version appended to the
             // name.
-            return Ok(cmd);
+            Ok(cmd)
         } else {
-            return Err(anyhow!("Could not find clang tool by name and version"));
+            Err(anyhow!("Could not find clang tool by name and version"))
         }
     } else {
         // `version` specified is not a semantic version; treat as path/to/bin
diff --git a/cpp-linter/src/git.rs b/cpp-linter/src/git.rs
index e777f23c..8d2d93f3 100644
--- a/cpp-linter/src/git.rs
+++ b/cpp-linter/src/git.rs
@@ -49,7 +49,7 @@ fn get_sha(repo: &Repository, depth: Option<u32>) -> Result<git2::Object<'_>, Er
 /// If there are files staged for a commit, then the resulting [`Diff`] will describe
 /// the staged changes. However, if there are no staged changes, then the last commit's
 /// [`Diff`] is returned.
-pub fn get_diff(repo: &Repository) -> Result<git2::Diff> {
+pub fn get_diff(repo: &'_ Repository) -> Result<git2::Diff<'_>> {
     let head = get_sha(repo, None).unwrap().peel_to_tree().unwrap();
     let mut has_staged_files = false;
     for entry in repo.statuses(None).unwrap().iter() {
diff --git a/docs/Cargo.toml b/docs/Cargo.toml
index 90218882..83a6fa45 100644
--- a/docs/Cargo.toml
+++ b/docs/Cargo.toml
@@ -10,7 +10,7 @@ license.workspace = true
 
 [dependencies]
 cpp-linter = { path = "../cpp-linter" }
-pyo3 = "0.25.1"
+pyo3 = "0.26.0"
 
 [lib]
 name = "cli_gen"